| NWS Forecast for: Fontana CA Issued by: National Weather Service San Diego, CA Last Update: 12:55 am PDT Jul 13, 2025 |  |
| This Afternoon: Sunny, with a high near 91. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Tonight: Mostly clear, with a low around 64. West wind 5 to 10 mph becoming light southwest after midnight. Monday: Sunny, with a high near 93. Light south wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 20 mph. Monday Night: Mostly clear, with a low around 63. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Tuesday: Sunny, with a high near 88. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Tuesday Night: Clear, with a low around 60. Wednesday: Sunny, with a high near 88. Wednesday Night: Clear, with a low around 60. Thursday: Sunny, with a high near 88. Thursday Night: Mostly clear, with a low around 62. Friday: Sunny, with a high near 90. Friday Night: Mostly clear, with a low around 64. Saturday: Sunny, with a high near 93. | |
| Fontana CA 34.1°N 117.43°W (Elev. 1296 ft) | |
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